日新月异

日新月異

rìxīn-yuèyì

idiom HSK 7-9 #35,336

Meanings

Literally 'new each day, different each month' — changing rapidly for the better

科技发展日新月异。

Kējì fāzhǎn rìxīnyuèyì.

Technology is developing at a rapid pace.

这座城市的面貌日新月异。

Zhè zuò chéngshì de miànmào rìxīnyuèyì.

The face of this city is changing with each passing day.

usage

日新月异 always implies positive change — rapid progress and improvement. It is never used for negative deterioration.

history

Originates from the Classic of Rites (《礼记》): 苟日新，日日新，又日新 — 'If you can renew yourself one day, renew yourself daily, always renew.'

日 rì

新 xīn

月 yuè

异 yì